cc: Add image decode control in the compositor.

cc/playback/draw_image.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_PLAYBACK_DRAW_IMAGE_H_
 #define CC_PLAYBACK_DRAW_IMAGE_H_
 
+#include "cc/base/cc_export.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 
 namespace cc {
 
-class DrawImage {
+// TODO(vmpstr): This should probably be DISALLOW_COPY_AND_ASSIGN and transport
+// it around using a pointer, since it became kind of large. Profile.
+class CC_EXPORT DrawImage {
  public:
-  DrawImage() : image_(nullptr), filter_quality_(kNone_SkFilterQuality) {}
+  DrawImage();
   DrawImage(const SkImage* image,
+            const SkIRect& src_rect,
             const SkSize& scale,
-            SkFilterQuality filter_quality)
-      : image_(image), scale_(scale), filter_quality_(filter_quality) {}
+            SkFilterQuality filter_quality,
+            bool matrix_has_perspective,
+            bool matrix_is_decomposable);
+  DrawImage(const DrawImage& other);
 
   const SkImage* image() const { return image_; }
   const SkSize& scale() const { return scale_; }
+  const SkIRect src_rect() const { return src_rect_; }
   SkFilterQuality filter_quality() const { return filter_quality_; }
+  bool matrix_has_perspective() const { return matrix_has_perspective_; }
+  bool matrix_is_decomposable() const { return matrix_is_decomposable_; }
 
   DrawImage ApplyScale(float scale) const {
     return DrawImage(
-        image_, SkSize::Make(scale_.width() * scale, scale_.height() * scale),
-        filter_quality_);
+        image_, src_rect_,
+        SkSize::Make(scale_.width() * scale, scale_.height() * scale),
+        filter_quality_, matrix_has_perspective_, matrix_is_decomposable_);
   }
 
  private:
   const SkImage* image_;
+  SkIRect src_rect_;
   SkSize scale_;
   SkFilterQuality filter_quality_;
+  bool matrix_has_perspective_;
+  bool matrix_is_decomposable_;
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_DRAW_IMAGE_H_